| Greater than 50% | | 78,600 | 101,600 | 98,200 | 110,500 | 116,600 | 119,500 | 117,100 |
| Greater than 40% and less than or equal to 50% | | 62,600 | 76,100 | 71,100 | 77,400 | 71,300 | 78,600 | 71,100 |
| Greater than 30% and less than or equal to 40% | | 130,600 | 113,400 | 131,000 | 133,500 | 132,100 | 146,900 | 135,400 |
| Greater than 25% and less than or equal to 30% | | 93,400 | 88,100 | 103,000 | 100,200 | 93,500 | 114,300 | 125,000 |
| Less than or equal to 25% | | 864,500 | 873,500 | 869,200 | 860,800 | 890,200 | 965,600 | 1,031,000 |
| Not specified | | 8,600 | 7,600 | 9,600 | 13,800 | 8,100 | 7,200 | 14,900 |
| Total | | 1,238,200 | 1,260,300 | 1,282,100 | 1,296,300 | 1,311,800 | 1,432,000 | 1,494,500 |